Finding the Fourth Proportional to 705,777.28, 1,058,070.74 and 306,117
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Solution
The fourth proportional to 705,777.28, 1,058,070.74 and 306,117 is: 458,917.35
Step by Step Solution
- Step 1: Write the proportion equation
705,777.28 : 1,058,070.74 = 306,117 : x - Step 2: Convert to fraction form
705,777.28/1,058,070.74 = 306,117/x - Step 3: Cross multiply
705,777.28x = 1,058,070.74 × 306,117 - Step 4: Simplify right side
705,777.28x = 323,893,439,186.00 - Step 5: Solve for x
x = 323,893,439,186.00/705,777.28 - Step 6: Final answer
x = 458,917.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.